<oembed><type>rich</type><version>1.0</version><author_name>Amboss (npub19t…9nlea)</author_name><author_url>https://nostr.ae/npub19tcpurtt6xulhw0r6sc404j9jraj0h8me2lzs7z2tqewz7l0hpas59nlea</author_url><provider_name>njump</provider_name><provider_url>https://nostr.ae</provider_url><html>Sony lost the PlayStation 3 master key because one throwaway number got used twice.&#xA;&#xA;The same bug drained Bitcoin wallets in 2013.&#xA;&#xA;Run the attack yourself on real secp256k1. It takes 77 microseconds.&#xA;https://drop.amboss.tech/signatures-explainer.html</html></oembed>